Ashwin determined to keep himself at the cutting edge of his craft

Ravichandran Ashwin's childhood coach, Sunil Subramaniam, was impressed by Ashwin's intelligence and competitiveness. Ashwin's off-spin bowling, tactical nous, height, fingers, and drift away from the right-hander were standout qualities even at a young age. He has learned to constantly innovate to stay relevant in the game and is focused on winning another Test match.

source https://timesofindia.indiatimes.com/sports/cricket/england-in-india/ind-vs-eng-5th-test-as-ravichandran-ashwin-marks-his-100th-test-appearance-he-stays-determined-to-keep-himself-at-the-cutting-edge-of-spin-bowling/articleshow/108246252.cms